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PAU AMARELO (Euxylophora paraensis)
Nom commercial
Pau Amarelo
Nom scientifique (avec auteur)
Euxylophora paraensis Huber
Famille
RUTACEAE
Noms communs (pays)
Satinwood; Satean wood; Pequia cetim; Pau-cetim; Pau amarello; Pao setim; Pao amarello; Muirataua; Muira-taua; Limao-rana; Cetim; Canary wood; Brazilian satinwood; Boxwood; Bois bresil; Amarelo-cetim; Amarello; Pequia Setim (Brazil); Pau Setim (Brazil); Limão Rana (Brazil); Pau Amarelo (Brazil); Brazilian Satin Wood; Vinhatico De Macacaco (Brazil); Vinhatico De Espino (Brazil); Pau Pará Amarelo (Brazil); Amarelo Vinhatico (Brazil); Amarelo (Brazil); Brazilian Boxwood; Sateen Wood
DESCRIPTION DE L'ARBRE
Description botanique
It is a dominant tree, it attains heights of about 40 m and diameters of 100 cm. Bigger sizes are also reported.
Habitat naturel
The natural growth range of this species is reported to be restricted to the non-inundated terra firme forests of the lower Amazon basin in Brazil.Vulnerable(IBAMA,2001)
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 to 150 micras (small). Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. I Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Rays less than 4 per mm (rare). Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Oil and/or mucilage cells associated with the axial and/or ray parenchyma (idioblasts). Occasionally septate fibers present. Fibers with simple to minutely bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
Odor and taste are reported to be indistinct.
Teinte
The sapwood and heartwood are not clearly differentiated. The wood is lemon yellow becoming yellowish pale brown color.
Index de Teinte (1 = Noir, 7 = Jaune clair)
6
Grain
The grain can be straight or interlocked.
Texture
The texture is typically medium to fine.
Luster
The material is reported to be moderately lustrous.
Durabilité naturelle
E. paraensis has very good resistance to fungi and termites, and good resistance to dry-wood insects.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
3
Résistance à l'imprégnation
It is reported to be untreatable either with oil or water based preservatives.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.69
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.78
Retrait tangentiel total (saturé à 0%TH) (%)
6.8
Retrait radial total (saturé à 0%TH) (%)
5.6
Défauts dus au séchage
Drying Defects: Severe checking and moderate warping are reported.
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
1.2
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Résistance à la flexion (module de rupture_MOR) 12%TH (kgf/cm²)
1172
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
145746
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
715
Résistance à la compression perpendiculaire à la fibre 12%TH (kgf/cm²)
122
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
147
Dureté Janka (latérale) 12%TH (kgf)
836
Dureté Janka (extrémités) 12%TH (kgf)
1050
OUVRABILITÉ
Sciage
Cutting resistance is generally low.
Effet d'émoussement
The wood exerts a slight blunting effect on cutters.
Rabotage
The material is reported to be fairly easy to plane, unless interlocked grain is present.
Tournage
30
Clouage
The wood is easy to nail, but pre-boring is necessary.
Collage
Gluing properties are rated as satisfactory.
Polissage
Polishing of this wood is easy.
Compatibilité avec outils manuels
Interlocked grain, if present, can present some difficulties.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
EXTERIOR GENERAL, bridges, rails, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, panelling, FURNITURE AND CABINETS, common furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, BENDING, chairs, tennis rackets, SPORTS, table tennis, TOOLS, tool handles, agricultural tools, PACKING, heavy packing, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, violin, handicrafts, yoke, door core
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Ponts
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Rampe
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
Crosses
- 7 - Maderas latinoamericanas. II, Quercus alata Q. costaricensis y Q. eugeniaefolia
Traverses de chemin de fer
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Pouters
- 11 - Prospect: The wood database
Solives
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Planches
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Planchers
- 14 - Handbook of Hardwoods
Cadres
- 16 - Woods of the World
Marches
- 17 - Tree Conservation Database
Panneaux
- 18 - W3TROPICOS Missouri Botanical Garden
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Meubles ordinaire
- 23 - Handbook of Hardwoods
Armoires
- 24 - Empire Timbers
PANNEAUX ET PLACAGE
- 25 - Directory of Timber Trade Malaysia
Placage tranché
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Tournage
- 30 - Embassy of Honduras in Japan
Ornements
- 31 - Embassy of Colombia in Japan
Ornements
- 32 - Embassy of Cote d`Ivoire in Japan
Manches de couverts
- 33 - Embassy of Gabon in Japan
Formes à chaussures
- 34 - Embassy of Indonesia in Japan
Résistance à la flexion
- 35 - Embassy of Myanmar in Japan
Chaises
- 36 - Autoridad Nacional del Ambiente, Panama
Raquettes de tennis
- 37 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
SPORTS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
tennis detable
- 41 - Embassy of the Philippines
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Outils_agric
- 44 - Atlas of Peruvian Woods
EMBALLAGE
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Embal_lourd
- 47 - Arvores Brasileiras
Carros_camion
- 53 - Timbers of the New World
Wagons
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUCTION NAVALE
- 55 - Tropical Timber Atlas of Latin America
Navires_ponts
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
AUTRES ET INSTRUMENTS DE MUSIQUE
- 63 - Madeiras do Brazil II
Violon
- 64 - Maderas latinoamericanas. V. Carapa sp., Virola koschnyi, Terminalia lucida y Brosimum costaricanum.
Artisanat
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Yokes
- 74 - World Timbers, Vol.2, North and South America
âme_porte
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
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